class TrustyCms::AdminUI::RegionPartials
  def initialize(template)
    @partials = Hash.new {|h,k| h[k] = "<strong>`#{k}' default partial not found!</strong>" }
    @template = template
  end

  def [](key)
    @partials[key.to_s]
  end

  def method_missing(method, *args, &block)
    if block_given?
      # Ruby 1.9.2 yields self in instance_eval... see https://gist.github.com/479572
      # lambdas are as strict as methods in 1.9.x, making sure that the args match, Procs are not.
      if RUBY_VERSION =~ /^1\.9/ and block.lambda? and block.arity != 1
        raise "You can only pass a proc ('Proc.new') or a lambda that takes exactly one arg (for self) to TrustyCms::AdminUI::RegionPartials' method_missing."
      end
      @partials[method.to_s] = @template.capture(&block)
    else
      @partials[method.to_s]
    end
  end
end
